bin/serve: Add working version

1 files changed, 78 insertions, 0 deletions

diff --git a/bin/serve b/bin/serve
new file mode 100755
index 0000000..4a06c50
--- /dev/null
+++ b/bin/serve
@@ -0,0 +1,78 @@
+#!/bin/sh
+set -eu
+
+
+usage() {
+	cat <<-'EOF'
+		Usage:
+		  serve [-d DIRECTORY] [-p PORT]
+		  serve -h
+	EOF
+}
+
+help() {
+	cat <<-'EOF'
+
+		Options:
+		  -d DIRECTORY    the directory to serve (default: ".")
+		  -p PORT         the port to listen on (default: 8000)
+		  -h, --help      show this message
+
+
+		Serve DIRECTORY via HTTP as a static file server, and open the
+		URL on the $BROWSER.
+
+
+		Examples:
+
+		  Serve "." on the default PORT:
+
+		    $ serve
+
+
+		  Serve "public/" on port 1234:
+
+		    $ serve -d public/ -p 1234
+	EOF
+}
+
+
+for flag in "$@"; do
+	case "$flag" in
+		--)
+			break
+			;;
+		--help)
+			usage
+			help
+			exit
+			;;
+		*)
+			;;
+	esac
+done
+
+DIRECTORY='.'
+PORT=8000
+while getopts 'd:p:h' flag; do
+	case "$flag" in
+		d)
+			DIRECTORY="$OPTARG"
+			;;
+		p)
+			PORT="$OPTARG"
+			;;
+		h)
+			usage
+			help
+			exit
+			;;
+		*)
+			usage >&2
+			exit 2
+			;;
+	esac
+done
+
+open "http://localhost:$PORT"
+python3 -m http.server -d "$DIRECTORY" "$PORT"